# 4-2.动物任务
print("4-2 动物任务")
animals = ['walrus', 'dolphin', 'starfish', 'squid']

print("这些动物有共同特征:")
for animal in animals:
    print(animal)

print("\n")  # 空行

print("关于每种动物的描述:")
for animal in animals:
    print(f"A {animal} would make a great pet.")
    
print("\nAny of these animals would make a great pet!")